Top story in this morning’s LBO Wire:Warburg Pincus is leading a $650 million investment to back a new oil and gas platform headed by energy entrepreneur Ben Brigham, whose previous company, Brigham Exploration, sold to Statoil for $4.5 billion in 2011.

A story available exclusively to LBO Wire subscribers:Tengram Capital Partners sailed past the $150 million target for its first institutional fund, closing on $173 million, Amy Or reports. Previously, Tengram’s principals invested in consumer and retail companies on a deal-by-deal basis.

(LBO Wire is a daily newsletter with comprehensive analysis of all the investments, deals, fundraisings and personnel moves involving private equity firms. For a two-week trial, visit our homepage, scroll to the bottom and click “try for free.”)

Elsewhere on the web:

Energy Future Holdings, the Texas energy company bought for $32 billion by KKR, TPG and Goldman Sachs’ private equity arm, is proposing a plan to its senior creditors that could eliminate billions of dollars of debt for a subsidiary company in exchange for ownership stakes in the parent company, The Wall Street Journal’s Mike Spector reports.

In other billion-dollar news, wealth management services provider National Financial Partners Corp. agreed to be sold to Madison Dearborn Partners for $1.01 billion. Read the AP report via WSJ.com here.

For those interested in how they can help in the wake of yesterday’s bombings, Dan Primack, Term Sheet author and long-time Boston resident, sent around some information today about a group of entrepreneurs and venture capitalists launching a fundraising drive to aid victims. He gave this description of the group-“Their immediate work is with grass roots groups making sure affected families have hotels, food, etc. What I can tell you is that I know the individuals running this effort and they are honest, reputable folks.” Dan’s stamp of approval is enough for us- here’s a link to the fundraising page.